Roof covering



FIG. 1 is a left front perspective of a roof covering, showing our newdesign;

FIG. 2 is a top plan view, thereof;

FIG. 3 is a right front perspective, thereof;

FIG. 4 is a left front perspective of a second embodiment of our roofcovering;

FIG. 5 is a top plan view, thereof;

FIG. 6 is a right front perspective, thereof;

FIG. 7 is a left front perspective of a third embodiment of our roofcovering;

FIG. 8 is a top plan view, thereof; and,

FIG. 9 is a right front perspective, thereof.

The ornamental design for a roof covering, as shown and described.